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            <h2 class="post-title">Matlab相关命令</h2>
            <div class="post-date">2019-06-14</div>
            
            <div class="post-content">
              <ol>
<li>读取并解析json格式文件：</li>
</ol>
<pre><code>jsonData = jsondecode(fileread('file.json'));
</code></pre>
<ol start="2">
<li>数据输出保存为txt：</li>
</ol>
<pre><code>fid = fopen('b.txt','w');
fprintf(fid,'%g\t',a);
fclose(fid);
</code></pre>
<p>3.格式化字符串：</p>
<pre><code>formatSpec = &quot;The current time is: %d:%d %s&quot;;
A1 = 11;
A2 = 20;
A3 = 'a.m.';
str = sprintf(formatSpec,A1,A2,A3)；
</code></pre>
<p>4.<a href="https://ww2.mathworks.cn/help/images/image-import-and-export.html">读取图像</a>：</p>
<pre><code>I = imread('pout.tif');
</code></pre>

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